CN103895156A - Composite material and preparation method thereof - Google Patents
Composite material and preparation method thereof Download PDFInfo
- Publication number
- CN103895156A CN103895156A CN201410129705.3A CN201410129705A CN103895156A CN 103895156 A CN103895156 A CN 103895156A CN 201410129705 A CN201410129705 A CN 201410129705A CN 103895156 A CN103895156 A CN 103895156A
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- preparation
- stainless steel
- complex material
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/02—Local etching
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/28—Acidic compositions for etching iron group metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- ing And Chemical Polishing (AREA)
Abstract
The invention discloses a composite material and a preparation method thereof. The preparation method is used for integrating stainless steel and plastic to form the composite material. The preparation method comprises the following steps of treating the surface of the stainless steel by chemical hole etching liquid to form a plurality of holes and injecting the plastic into the stainless steel to form the composite material. The composite material disclosed by the invention is obtained by injecting the plastic on the basis of the stainless steel with the holes formed by chemical hole etching liquid treatment. Due to an optimal formula of the chemical hole etching liquid, the holes which are good for injecting the plastic and fixedly molding are formed; the binding force of the plastic and the stainless steel is effectively increased.
Description
Technical field
The present invention relates to a kind of complex material and preparation method thereof, relate in particular to a kind of stainless steel and the integrated complex material of plastics and preparation method thereof.
Background technology
The technology of preparing of existing stainless steel and plastics complex, generally realizes by fixed structure being set at stainless steel structure part and plastic part, and this just requires to increase syndeton on stainless steel structure part.But stainless working (machining) efficiency is low and cost is higher, and cannot make the structure that shape is more complicated, and this has limited the application of stainless steel structure part in various electronic products, accurate medicine equipment, automobile body components greatly.
Although, can realize by the bonding method of PUR at present the integrated combination of stainless steel and plastics, plastics and stainless bond strength are not high, can not meet the working strength requirement of product reality.
Patent documentation CN102672878A discloses and a kind of by anodic oxidation, stainless steel has been processed to form perforated membrane in addition, then the method for carrying out integrated combination with resin; But stainless steel surface in the time of anodized can form the oxide-film of one deck densification and passivation occurs, and is unfavorable for the formation of perforated membrane; And in anodized, need the fund input on extra increase equipment, increase to a certain extent production cost.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, complex material that a kind of stainless steel and plastics bond strength are high and preparation method thereof is provided.
For achieving the above object, technical scheme of the present invention is:
The invention discloses a kind of preparation method of complex material, be used for stainless steel and the described complex material of the integrated formation of plastics, comprise: process and form multiple holes by chemical pit liquid on described stainless surface, again described stainless steel is carried out to injection of plastic, form described complex material.
Further, described chemical pit liquid comprises: the ferric sulfate that mass concentration is 10-85g/L, the watery hydrochloric acid that percent by volume is 5%-25%, and the mass concentration acid solution that is 3-50g/L; Wherein said acid solution refers to the one in oxalic acid, maleic acid, citric acid, tartaric acid, amino acids, p-nitrophenyl sulfonic acid, trifluoroacetic acid, acetic acid or malic acid.
Further, the temperature of processing described stainless surface process by chemical pit liquid is 30-60 ℃, and the time is 10-30min.
Further, the average pore size of described multiple holes is 100-1000nm.
Further, before described stainless surface forms described multiple holes, described stainless surface is conducive to form to the surface activation process of hole.
Further, described surface activation process comprises that the dilute sulfuric acid take percent by volume as 5%-40% carries out activation processing to described stainless surface, and activation temperature is 30-60 ℃, and the time is 3-10min.
Further, before described stainless surface forms described multiple holes, oil removal treatment is carried out in described stainless surface, the temperature of described oil removal treatment is 35-80 ℃, the formula of the degreasing fluid that described oil removal treatment adopts comprises: the potassium hydroxide that mass concentration is 10-80g/L or NaOH, mass concentration is potash or the sodium carbonate of 5-80g/L, and the mass concentration lauryl sodium sulfate that is 0.1-2.0g/L.
Further, described stainless steel refers to Cr-Ni series stainless steel or Cr series stainless steel.
Further, described plastics refer to: the crystalline thermoplastic material of the glass fibre that to have added mass content be 28%-40%, and described crystalline thermoplastic material comprises the one in polybutylene terephthalate (PBT), PETG, polyphenylene sulfide or aromatic polyamide resin; Or nylon, Merlon or polyurethane.
The invention also discloses a kind of complex material, is by the material of stainless steel and the integrated formation of plastics according to the preparation method of above-described complex material.
The invention has the beneficial effects as follows:
The preparation method of complex material disclosed in this invention, to process on stainless steel surfaces has formed the stainless basis of hole and carry out injection of plastic by chemical pit liquid, effectively overcome the phenomenon that passivation easily occurs in existing stainless steel processing procedure, and without increasing manufacturing facilities in addition, processing cost is low.
In preferred scheme, propose, with above-mentioned specific chemical pit formula of liquid, stainless steel is carried out to pit processing, through experimental verification, the size of the hole forming and distribution are beneficial to plastics and enter hole fixed-type very much, can between plastics and stainless steel, produce high-intensity adhesion.
In preferred scheme, can under the temperature below 60 ℃, implement by stainless surface being carried out to chemical pit formation hole, energy consumption is low, and can guarantee that the stainless surface of carrying out chemical pit do not turn black, and does not affect the outward appearance of complex material entirety.Before stainless surface forms hole, oil removal treatment and/or activation processing are carried out in stainless surface in addition, make stainless chemical treatment better effects if, further reinforced plastics and stainless adhesion strength.
Accompanying drawing explanation
Fig. 1 is preparation method's flow chart of the complex material of the preferred embodiment of the present invention;
Fig. 2 is the pattern of stainless surface under metallographic microscope after chemical pit.
The specific embodiment
Preferred embodiment the invention will be further described to contrast accompanying drawing combination below.
According to embodiments of the invention, by the preparation method of stainless steel and the integrated formation complex material of plastics, comprise by chemical pit liquid and process on stainless surface and form multiple holes, more described stainless steel is carried out to injection of plastic, form complex material.
In compared with specific embodiment, the formula of chemistry pit liquid comprises: the ferric sulfate that mass concentration is 10-85g/L, percent by volume is the watery hydrochloric acid of 5%-25%, and the mass concentration acid solution (above concentration and percentage are all with respect to chemical pit liquid in general) that is 3-50g/L; Wherein acid solution refers to the one in oxalic acid, maleic acid, citric acid, tartaric acid, amino acids, p-nitrophenyl sulfonic acid, trifluoroacetic acid, acetic acid or malic acid; The temperature of processing stainless surface process by chemical pit liquid is 30-60 ℃, and the time is 10-30min.
Described stainless steel can be Cr-Ni series stainless steel or Cr series stainless steel; Described plastics can be the crystalline thermoplastic materials that has added the glass fibre that mass content is 28%-40%, and described crystalline thermoplastic material comprises the one in polybutylene terephthalate (PBT), PETG, polyphenylene sulfide or aromatic polyamide resin; Described plastics can be also nylon series, Merlon series or Polyurethane.
As shown in Figure 1, below by a specific embodiment, the preparation method of complex material is further described:
Step 101: be first ready to by the stainless steel substrate of machining shape;
Step 102: stainless steel substrate is carried out to electrochemical deoiling processing, to remove the greasy dirt of stainless steel surfaces; The formula of the degreasing fluid that electrochemical deoiling adopts is: the potassium hydroxide that mass concentration is 15g/L, the potash that mass concentration is 10g/L, the sodium sulphate that mass concentration is 0.4g/L; The temperature of electrochemical deoiling is 65 ℃, and the time determines according to concrete deoiling effect;
Step 103: adopt the dilute sulfuric acid that percent by volume is 20% to carry out activation processing to the stainless steel base through electrochemical deoiling, the temperature of activation is 45 ℃, and the time is 5min;
Step 104: the stainless steel substrate through activation processing is carried out to the processing of surface chemistry pit, to form the multiple irregular holes of average pore size as 100-1000nm; The formula of the chemical pit liquid adopting is: mass concentration is 10-85g/L, the watery hydrochloric acid that percent by volume is 5%-25%, the oxalic acid that mass concentration is 3-50g/L; The temperature of chemistry pit is 30-60 ℃, and the time is 10-30min; After the processing of chemistry pit, the pattern of the surface of stainless steel substrate under metallographic microscope as shown in Figure 2;
Step 105: will put into integrated injection molding mould through chemical pit stainless steel substrate after treatment, injection of plastic is carried out on the surface that then this stainless steel substrate is had to multiple irregular holes;
Step 106: form stainless steel and the integrated complex material of plastics.
The chemical pit liquid adopting in an embodiment of the present invention, not containing red fuming nitric acid (RFNA), and without passing through anode oxidation process, stainless steel substrate through activation processing is carried out to surface chemistry pit, make stainless steel surfaces effectively form multiple irregular holes (consulting Fig. 2) that average pore size is 100-1000nm, average-size and the distribution density etc. of these irregular holes is extremely conducive to plastics and enters hole fixed-type, thereby can between plastics and stainless steel, tell on splendid adhesion.The complex material that above-mentioned specific embodiment is obtained carries out tensile strength test with electronic universal material testing machine, and the tensile strength of this complex material reaches 12Mpa.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For those skilled in the art, without departing from the inventive concept of the premise, can also make some being equal to substitute or obvious modification, and performance or purposes identical, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the preparation method of a complex material, be used for stainless steel and the described complex material of the integrated formation of plastics, it is characterized in that, comprise: process and form multiple holes by chemical pit liquid on described stainless surface, again described stainless steel is carried out to injection of plastic, form described complex material.
2. the preparation method of complex material as claimed in claim 1, is characterized in that, described chemical pit liquid comprises: the ferric sulfate that mass concentration is 10-85g/L, the watery hydrochloric acid that percent by volume is 5%-25%, and the mass concentration acid solution that is 3-50g/L; Wherein said acid solution refers to the one in oxalic acid, maleic acid, citric acid, tartaric acid, amino acids, p-nitrophenyl sulfonic acid, trifluoroacetic acid, acetic acid or malic acid.
3. the preparation method of complex material as claimed in claim 2, is characterized in that, the temperature of processing described stainless surface process by chemical pit liquid is 30-60 ℃, and the time is 10-30min.
4. the preparation method of complex material as claimed in claim 1, is characterized in that, the average pore size of described multiple holes is 100-1000nm.
5. the preparation method of complex material as claimed in claim 1, is characterized in that, before described stainless surface forms described multiple holes, described stainless surface is conducive to form to the surface activation process of hole.
6. the preparation method of complex material as claimed in claim 5, it is characterized in that, described surface activation process comprises that the dilute sulfuric acid take percent by volume as 5%-40% carries out activation processing to described stainless surface, and activation temperature is 30-60 ℃, and the time is 3-10min.
7. the preparation method of complex material as claimed in claim 1, it is characterized in that, before described stainless surface forms described multiple holes, oil removal treatment is carried out in described stainless surface, the temperature of described oil removal treatment is 35-80 ℃, the formula of the degreasing fluid that described oil removal treatment adopts comprises: the potassium hydroxide that mass concentration is 10-80g/L or NaOH, mass concentration is potash or the sodium carbonate of 5-80g/L, and the mass concentration lauryl sodium sulfate that is 0.1-2.0g/L.
8. the preparation method of the complex material as described in claim 1 to 7 any one, is characterized in that, described stainless steel refers to Cr-Ni series stainless steel or Cr series stainless steel.
9. the preparation method of the complex material as described in claim 1 to 7 any one, is characterized in that, described plastics refer to:
The crystalline thermoplastic material of the glass fibre that to have added mass content be 28%-40%, described crystalline thermoplastic material comprises the one in polybutylene terephthalate (PBT), PETG, polyphenylene sulfide or aromatic polyamide resin; Or
Nylon, Merlon or polyurethane.
10. a complex material, is characterized in that, according to the preparation method of the complex material described in claim 1 to 9 any one by the material of stainless steel and the integrated formation of plastics.
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| CN201410129705.3A CN103895156A (en) | 2014-04-01 | 2014-04-01 | Composite material and preparation method thereof |
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| CN201410129705.3A CN103895156A (en) | 2014-04-01 | 2014-04-01 | Composite material and preparation method thereof |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313556A (en) * | 2014-09-25 | 2015-01-28 | 东莞劲胜精密组件股份有限公司 | Metal treating agent and composite material and preparation method thereof |
| CN104890179A (en) * | 2015-06-02 | 2015-09-09 | 上海交通大学 | Method for treating metal product surface in macromolecule-metal mixed molding |
| CN105538596A (en) * | 2016-01-28 | 2016-05-04 | 深圳市纳明特科技有限公司 | Composite plastic material and preparing method thereof |
| CN105908185A (en) * | 2016-04-20 | 2016-08-31 | 东莞劲胜精密组件股份有限公司 | Stainless steel surface treatment method and preparation method of stainless steel plastic composite |
| CN106148962A (en) * | 2016-09-14 | 2016-11-23 | 重庆理工大学 | The treatment fluid of a kind of stainless steel surface nano hole and application process thereof |
| CN106435590A (en) * | 2016-09-28 | 2017-02-22 | 东莞市米纳德金属表面处理材料有限公司 | Stainless steel surface nanoscale treatment technology |
| CN106835139A (en) * | 2017-01-10 | 2017-06-13 | 广东长盈精密技术有限公司 | The surface treatment method of stainless steel, stainless steel products and stainless steel-plastics compounded body |
| CN106917061A (en) * | 2017-01-16 | 2017-07-04 | 歌尔股份有限公司 | The conjunction and its processing method of stainless steel and plastics |
| CN107053586A (en) * | 2017-06-22 | 2017-08-18 | 合肥聪亨新型建材科技有限公司 | The preparation method of one species complex metal material |
| CN107299317A (en) * | 2017-06-21 | 2017-10-27 | 合肥市旺友门窗有限公司 | A kind of surface treatment technique for stainless steel |
| CN108274685A (en) * | 2017-01-06 | 2018-07-13 | 优尔材料工业（深圳）有限公司 | The complex and preparation method thereof of stainless steel part and plastic part |
| WO2018129873A1 (en) * | 2017-01-16 | 2018-07-19 | 歌尔股份有限公司 | Stainless steel and plastic combined member, and processing method therefor |
| WO2018129870A1 (en) * | 2017-01-16 | 2018-07-19 | 歌尔股份有限公司 | Stainless steel and plastic combined member, and processing method therefor |
| WO2018152998A1 (en) * | 2017-02-23 | 2018-08-30 | 歌尔股份有限公司 | Stainless steel and plastic combined piece and processing method therefor |
| WO2018171076A1 (en) * | 2017-03-20 | 2018-09-27 | 歌尔股份有限公司 | Combined piece of stainless steel and plastic and processing method therefor |
| CN108790013A (en) * | 2017-05-05 | 2018-11-13 | 深圳市裕展精密科技有限公司 | The complex and preparation method thereof of stainless steel part and plastic part |
| US11312048B2 (en) | 2017-01-10 | 2022-04-26 | Guangdong Everwin Precision Technology Co., Ltd. | Surface treatment method of material, material product and composite material |
| CN114561684A (en) * | 2021-12-29 | 2022-05-31 | 深圳市鑫鸿达清洗技术有限公司 | Stainless steel-aluminum alloy composite material and surface pore-forming method thereof |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313556B (en) * | 2014-09-25 | 2017-05-10 | 东莞劲胜精密组件股份有限公司 | Metal treating agent and composite material and preparation method thereof |
| CN104313556A (en) * | 2014-09-25 | 2015-01-28 | 东莞劲胜精密组件股份有限公司 | Metal treating agent and composite material and preparation method thereof |
| CN104890179A (en) * | 2015-06-02 | 2015-09-09 | 上海交通大学 | Method for treating metal product surface in macromolecule-metal mixed molding |
| CN105538596A (en) * | 2016-01-28 | 2016-05-04 | 深圳市纳明特科技有限公司 | Composite plastic material and preparing method thereof |
| CN105908185A (en) * | 2016-04-20 | 2016-08-31 | 东莞劲胜精密组件股份有限公司 | Stainless steel surface treatment method and preparation method of stainless steel plastic composite |
| CN106148962A (en) * | 2016-09-14 | 2016-11-23 | 重庆理工大学 | The treatment fluid of a kind of stainless steel surface nano hole and application process thereof |
| CN106435590A (en) * | 2016-09-28 | 2017-02-22 | 东莞市米纳德金属表面处理材料有限公司 | Stainless steel surface nanoscale treatment technology |
| CN108274685A (en) * | 2017-01-06 | 2018-07-13 | 优尔材料工业（深圳）有限公司 | The complex and preparation method thereof of stainless steel part and plastic part |
| CN106835139A (en) * | 2017-01-10 | 2017-06-13 | 广东长盈精密技术有限公司 | The surface treatment method of stainless steel, stainless steel products and stainless steel-plastics compounded body |
| US11312048B2 (en) | 2017-01-10 | 2022-04-26 | Guangdong Everwin Precision Technology Co., Ltd. | Surface treatment method of material, material product and composite material |
| CN106917061A (en) * | 2017-01-16 | 2017-07-04 | 歌尔股份有限公司 | The conjunction and its processing method of stainless steel and plastics |
| CN106917061B (en) * | 2017-01-16 | 2019-06-04 | 歌尔股份有限公司 | The engaging member and its processing method of stainless steel and plastics |
| WO2018129873A1 (en) * | 2017-01-16 | 2018-07-19 | 歌尔股份有限公司 | Stainless steel and plastic combined member, and processing method therefor |
| WO2018129870A1 (en) * | 2017-01-16 | 2018-07-19 | 歌尔股份有限公司 | Stainless steel and plastic combined member, and processing method therefor |
| WO2018152998A1 (en) * | 2017-02-23 | 2018-08-30 | 歌尔股份有限公司 | Stainless steel and plastic combined piece and processing method therefor |
| WO2018171076A1 (en) * | 2017-03-20 | 2018-09-27 | 歌尔股份有限公司 | Combined piece of stainless steel and plastic and processing method therefor |
| CN108790013A (en) * | 2017-05-05 | 2018-11-13 | 深圳市裕展精密科技有限公司 | The complex and preparation method thereof of stainless steel part and plastic part |
| CN107299317A (en) * | 2017-06-21 | 2017-10-27 | 合肥市旺友门窗有限公司 | A kind of surface treatment technique for stainless steel |
| CN107053586A (en) * | 2017-06-22 | 2017-08-18 | 合肥聪亨新型建材科技有限公司 | The preparation method of one species complex metal material |
| CN114561684A (en) * | 2021-12-29 | 2022-05-31 | 深圳市鑫鸿达清洗技术有限公司 | Stainless steel-aluminum alloy composite material and surface pore-forming method thereof |
| CN114561684B (en) * | 2021-12-29 | 2023-09-12 | 深圳市鑫鸿达清洗技术有限公司 | Stainless steel-aluminum alloy composite material and surface pore-forming method thereof |
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Application publication date: 20140702 |